kitio.aiKatalon vs Diffblue Cover
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Katalon starts at $2199/yr and Diffblue Cover starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Katalon Studio
- StudioAssist AI
- True Platform test management
- Cross-browser execution
- Flakiness scoring
- Automatic unit tests
- IntelliJ plugin
- CI integration
- Test maintenance
- Kotlin support
| Feature | Katalon | Diffblue Cover |
|---|---|---|
| Best for | Test automation and management platform with AI features | Autonomous AI that writes Java unit tests |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $2199/yr | See pricing page |
| Free plan | Yes | Yes |
| Made by | Katalon | Diffblue |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Katalon starts at $2199/yr and Diffblue Cover starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free Studio
Free
- Free download
- Web, API and mobile testing
Professional Studio
$2199/yr
- Per seat
- Unlimited AI sessions and MCP server
- Record and playback authoring
- Web, mobile, API and desktop tests
Enterprise Studio
Custom
- Talk to sales
- Advanced enterprise features
2 plans
Coverage package
From $1,500 / 5,000 lines
- 5,000 net new lines of coverage
- About $0.30 per covered line
- Batch mode for entire repositories
- Every test verified
Larger packages
Contact sales
- Volume coverage packages
- Talk to the sales team
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Katalon
- Covers many app types
- Low-code and code options
- Free plan to start
- Add-ons raise total cost
- Heavier than newer AI tools
Diffblue Cover
- Tests always compile
- Free Community Edition
- Good for legacy Java
- Java and Kotlin only
- Enterprise pricing via sales
Which one should you choose?
Choose Katalon if you want:
- Covers many app types
- Low-code and code options
- Free plan to start
Watch out: add-ons raise total cost.
Choose Diffblue Cover if you want:
- Tests always compile
- Free Community Edition
- Good for legacy Java
Watch out: java and kotlin only.
Katalon vs Diffblue Cover FAQ
What is the difference between Katalon and Diffblue Cover?
Katalon: Test automation and management platform with AI features. Diffblue Cover: Autonomous AI that writes Java unit tests. Both are coding tools.
Is Katalon or Diffblue Cover cheaper?
Katalon starts at $2199/yr and Diffblue Cover starts at See pricing page. Check both pricing pages for current plans.
Do Katalon and Diffblue Cover have free plans?
Katalon: Yes. Diffblue Cover: Yes.
Who makes Katalon?
Katalon is made by Katalon, based in United States.
Who makes Diffblue Cover?
Diffblue Cover is made by Diffblue, based in United Kingdom.
Which should I choose, Katalon or Diffblue Cover?
Choose Katalon if you value covers many app types and low-code and code options. Choose Diffblue Cover if you value tests always compile and free community edition.